Liming Zhang, Yuxiang Wang, Li Qiu, Jian Wu
Journal: BMC medicine 2022;20(1):421
PMID: 36320003
Psoriasis constitutes a chronic, inflammatory skin disease with an immune-genetic basis that has been linked to numerous diseases, including metabolic syndrome, cancer, as well as cardiovascular disease (CVD). The aim of this study was to determine if the relationship of psoriasis with CV events (CVE) risk is congruent with causal associations. This study is a report employing a meta-analysis of observational studies and a two-sample mendelian randomised trial (MR). Results from the meta-analysis show that psoriasis was remarkably associated with a higher risk of incident coronary artery disease (CAD) and myocardial infarction (MI) and was not associated with heart failure risk. Furthermore, the MR approach showed that psoriasis was linked with a higher risk of CAD in both European and East Asian populations. Additionally, psoriasis was also causally linked to an elevated risk of MI in European population. Authors conclude that their findings indicate a causal association of psoriasis with CAD and MI. However, further studies are needed to establish the mechanisms of the causal relationship of psoriasis with CAD and MI.
BACKGROUND
Psoriasis has been linked to cardiovascular disease (CVD), including coronary artery disease (CAD), myocardial infarction (MI), and heart failure (HF). However, available studies regarding this relationship have shown inconsistent results. Therefore, in this report, we performed a comprehensive review of the literature to assess the effects of psoriasis on risk of these CVDs.
METHODS
A search of literature until 24 December 2021 was done in PubMed, the Cochrane Library, Web of Science, Google Scholar, and Embase. Within European and East Asian populations, meta-analyses of observational studies assessing correlations between psoriasis and various CVD risk factors were conducted. Mendelian randomization (MR) was then employed to assess the causative impact of genetic pre-disposition for psoriasis on these CVD risk factors.
RESULTS
The results of the meta-analyses indicated that, in both the European and East Asian populations, psoriasis was significantly linked to an elevated risk in the incidence of CAD (RR = 1.51, 95% confidence interval (CI): 1.04-2.18, p = 0.028 and RR = 1.91, 95% CI: 1.62-2.25, p < 0.001) and MI (RR = 1.23, 95% CI: 1.04-1.46, p = 0.017 and RR = 2.17, 95% CI: 1.44-3.28, p < 0.001). A positive genetic relationship of psoriasis with CAD was found in European individuals (IVW OR:1.03; 95% CI: 1.01-1.06, p = 0.005) and in East Asian individuals (IVW OR:1.18; 95% CI: 1.03-1.32, p = 0.031). We also established that psoriasis was causally linked with an elevated risk of MI (IVW OR:1.05; 95% CI: 1.01-1.09, p = 0.026) in the European population as determined using an MR approach. Moreover, our MR results were congruent with the null findings from the meta-analysis assessing associations of psoriasis with HF risk.
CONCLUSIONS
This research work provides preliminary evidence that psoriasis and CVD have a common genetic origin and that targeted psoriasis treatment might improve cardiovascular outcomes. These results not only increase our knowledge of the genetic underpinnings linking a comorbidity of psoriasis with CVD but also suggests a novel approach for CVD prevention.
© 2022. The Author(s).
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